225131720376 has 32 divisors (see below), whose sum is σ = 564499437840. Its totient is φ = 74821221888.

The previous prime is 225131720369. The next prime is 225131720383. The reversal of 225131720376 is 673027131522.

It is an interprime number because it is at equal distance from previous prime (225131720369) and next prime (225131720383).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13909551 + ... + 13925726.

Almost surely, 2^225131720376 is an apocalyptic number.

It is an amenable number.

225131720376 is an abundant number, since it is smaller than the sum of its proper divisors (339367717464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225131720376 is a wasteful number, since it uses less digits than its factorization.

225131720376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27835623 (or 27835619 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

Adding to 225131720376 its reverse (673027131522), we get a palindrome (898158851898).

The spelling of 225131720376 in words is "two hundred twenty-five billion, one hundred thirty-one million, seven hundred twenty thousand, three hundred seventy-six".